Base | Representation |
---|---|
bin | 11001111001011000… |
… | …010010011111110010 |
3 | 2122202212022000220121 |
4 | 121321120102133302 |
5 | 423421342323010 |
6 | 20435103400454 |
7 | 2003030630452 |
oct | 317130223762 |
9 | 78685260817 |
10 | 27806214130 |
11 | 10879979262 |
12 | 54802b312a |
13 | 2811a2b056 |
14 | 14bad47d62 |
15 | acb2383da |
hex | 6796127f2 |
27806214130 has 32 divisors (see below), whose sum is σ = 51789993840. Its totient is φ = 10736275200.
The previous prime is 27806214091. The next prime is 27806214133. The reversal of 27806214130 is 3141260872.
It can be written as a sum of positive squares in 8 ways, for example, as 6947055801 + 20859158329 = 83349^2 + 144427^2 .
It is not an unprimeable number, because it can be changed into a prime (27806214133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469892 + ... + 1488688.
Almost surely, 227806214130 is an apocalyptic number.
27806214130 is a deficient number, since it is larger than the sum of its proper divisors (23983779710).
27806214130 is a wasteful number, since it uses less digits than its factorization.
27806214130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23934.
The product of its (nonzero) digits is 16128, while the sum is 34.
The spelling of 27806214130 in words is "twenty-seven billion, eight hundred six million, two hundred fourteen thousand, one hundred thirty".
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